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VO2‐Based dynamic coding metamaterials for terahertz wavefront engineering

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dc.contributor.authorAkyurek, B.
dc.contributor.authorNoori, A.
dc.contributor.authorDemirhan, Y.
dc.contributor.authorOzyuzer, L.
dc.contributor.authorGuven, Kaan
dc.contributor.authorAltan, H.
dc.contributor.authorAygun, G.
dc.contributor.departmentNatural and Mathematical Sciences
dc.contributor.ozuauthorGüven, Kaan
dc.date.accessioned2025-02-04T12:39:38Z
dc.date.available2025-02-04T12:39:38Z
dc.date.issued2025-01
dc.description.sponsorshipTÜBİTAK; University Research Foundation (BAP); Research and Application Center for Quantum Technologies (RACQUT) of IZTECH
dc.identifier.doi10.1007/s10762-024-01020-w
dc.identifier.issn1866-6892
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85209939493
dc.identifier.urihttps://hdl.handle.net/10679/10337
dc.identifier.urihttps://doi.org/10.1007/s10762-024-01020-w
dc.identifier.volume46
dc.identifier.wos001361531000001
dc.language.isoen_US
dc.publicationstatusPublished online
dc.relation.projectinfo:eu-repo/grantAgreement/TUBITAK/1001 - Araştırma/119R038
dc.relation.publicationcategoryInternational Refereed Journal
dc.rightsrestrictedAccess
dc.titleVO2‐Based dynamic coding metamaterials for terahertz wavefront engineering
dc.typearticle
dcterms.abstractDigital coding metasurfaces (DCMS) offer a promising alternative to conventional metasurface designs for achieving common functionalities by controlling the phase of reflected or transmitted electromagnetic waves. Their simple unit cell designs allow for scalability across the THz spectrum and facilitate large-area fabrication. The true potential of DCMS lies in dynamical coding, which enables real-time reconfigurability through a tuning and/or switching mechanism. In this study, metasurfaces that achieve 1-bit dynamic coding of unit cells via thermally induced metal-insulator transition of VO2 layers are designed and fabricated. We investigate experimentally the beam splitting functionality at certain frequencies in the 0.50-0.75 THz range reflected from the stripe- and checkerboard patterned metasurface samples, and demonstrate the switching of this functionality under thermal illumination.
dspace.entity.typePublication
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relation.isOrgUnitOfPublication.latestForDiscovery7a8a2b87-4f48-440a-a491-3c0b2888cbca

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Natural and Mathematical Sciences